fuel pressure drops rapidly

1996 CHEVROLET SILVERADO
26,700 MILES
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DUSTINCHEVY
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  • 1 POST
96 350 vortec has 63lbs of fuel pressure as soon as u turn the key on but drops to 58 rapidly and it runs horrible when u floor the gas pedal please help

when you try to floor it it spits and sputters and cuts out and when under a load runs bad what would cause my fuel pressure to do that and do u think thats my issue ive changed distributor,coil,plugs,wires,cap,rotor,crank sensor,temp sensor,and maf sensor i cant seem to figure it out please help me thanks
Mar 23, 2012 at 3:05 AM
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RASMATAZ
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Do you have a check engine light On or has flashed -if so scan the computer for code/s if any present post them

Lets start by verifying the fuel pressure if its within specs and report back the readings

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Mar 23, 2012 at 4:10 AM